BCM Functions
BODY CONTROL MODULEThe various BCM input and output circuits are described in the corresponding functional areas indicated on the BCM electrical schematics. The BCM functions include the following:
- A/C compressor request - Refer to Air Temperature Description and Operation in HVAC Systems-Manual.
- A/C cooling fan - Refer to Air Delivery Description and Operation in HVAC Systems-Manual.
- Battery rundown protection (Inadvertent Power) - Refer to Interior Lighting Systems Description and Operation in Lighting Systems.
- Brake fluid level sensing - Refer to Brake Warning System Description and Operation in Hydraulic Brakes.
- Bulb check - Refer to Instrument Panel Cluster (IPC) Description and Operation in Instrument Panel, Gages, and Console.
- Chimes - Refer to Audible Warnings Description and Operation in Instrument Panel, Gages, and Console.
- Check gages
- Door ajar warning
- Headlamps ON
- Key-in-ignition
- Oil reset
- Park brake warning
- Seat belt not fastened
- Turn signal ON
- Door lock interface - Refer to Power Door Locks Description and Operation in Doors.
- Electronic steering control (ESC) - Refer to Power Steering System Description and Operation in Power Steering System.
- Engine coolant level sensing - Refer to Cooling System Description and Operation in Cooling System.
- Exterior and interior lighting control - Refer to Exterior Lighting Systems Description and Operation in Lighting Systems.
- Automatic lighting control
- Daytime running lights (DRL)
- Fog lamps
- Park brake lights
- Turn hazard lamps
- Gage control - Refer to Instrument Panel Cluster (IPC) Description and Operation in Instrument Panel, Gages, and Console.
- Horn interface - Refer to Horns System Description and Operation in Horns.
- Instrument cluster indicator control - Refer to Instrument Panel Cluster (IPC) Description and Operation in Instrument Panel, Gages, and Console.
- Interior lighting - Refer to Interior Lighting Systems Description and Operation in Lighting Systems.
- Key-in-ignition sensing - Refer to Audible Warnings Description and Operation in Instrument Panel, Gages, and Console.
- Parking brake state sensing - Refer to Brake Warning System Description and Operation in Hydraulic Brakes.
- Retained Accessory Power (RAP) - Refer to Retained Accessory Power (RAP) Description and Operation in Accessory Delay Module.
- Rear compartment interface - Refer to Power Door Locks Description and Operation in Doors.
- Rear defogger - Refer to Rear Window Defogger Description and Operation in Heated Glass Element.
- Remote function control - Refer to Keyless Entry System Description and Operation in Keyless Entry.
- Seat belt use sensing - Refer to Seat Belt System Description and Operation in Seat Belts.
- Theft deterrent - Refer to Theft Systems Description and Operation in Theft Deterrent.
- Washer solvent level sensing - Refer to Wiper/Washer System Description and Operation in Wipers/Washer Systems.
- Wiper/Washer - Refer to Wiper/Washer System Description and Operation in Wipers/Washer Systems.